Click the Exhibit button. Within an ONS 15454, you are provisioning a circuit on an unprotected UPSR ring. In the exhibit, which two must you configure?（） (Choose two.)
A. revertive
B. circuit type
C. circuit size
D. bidirectional
E. protected drops
F. switch on PDI-P
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A.225 ft
B.450 ft
C.655 ft
D.900 ft
最新試題
Which three technologies are used to reduce chromatic dispersion accumulation in fiber-optic transmission systems? （）(Choose three.)
UPSR protection switching is initiated by （）, while BLSR is initiated by （）.
What is the phenomenon called where different wavelengths of light travel at different speeds?（）
What is an advantage of an externally modulated laser over a directly modulated laser?（）
What protection method is used in 4F BLSR networks?（）
A 2.5 Gb/s (OC-48 or STM-16) optical signal with a dispersion tolerance of 1200 ps/nm goes through fiber with 18ps/nm*km of dispersion. How many 15216-DCU-350 equivalents are needed for enough compensation after traveling 100 km?（）
Click the Exhibit button. What is the maximum allowable loss budget between the ONS 15216 Mux (left side) composite output and the ONS 15216 Demux (right side) composite input, with the optical values given in the exhibit? （）(Assume the worst case loss of 4.5 dB for 15216 200 GHz Mux/Demux and ignore power penalties or extra margin.)
What three in combination are factors that can cause four-wave mixing in fiber-optic cables? （）(Choose three.)
How is a Thin Film filter fabricated?（）
Which timing mode is appropriate for a SONET NE that is adjacent to a SONET NE using BITS-1 timing source?（）